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2011-05-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds1-0/+8
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (26 commits) arch/tile: prefer "tilepro" as the name of the 32-bit architecture compat: include aio_abi.h for aio_context_t arch/tile: cleanups for tilegx compat mode arch/tile: allocate PCI IRQs later in boot arch/tile: support signal "exception-trace" hook arch/tile: use better definitions of xchg() and cmpxchg() include/linux/compat.h: coding-style fixes tile: add an RTC driver for the Tilera hypervisor arch/tile: finish enabling support for TILE-Gx 64-bit chip compat: fixes to allow working with tile arch arch/tile: update defconfig file to something more useful tile: do_hardwall_trap: do not play with task->sighand tile: replace mm->cpu_vm_mask with mm_cpumask() tile,mn10300: add device parameter to dma_cache_sync() audit: support the "standard" <asm-generic/unistd.h> arch/tile: clarify flush_buffer()/finv_buffer() function names arch/tile: kernel-related cleanups from removing static page size arch/tile: various header improvements for building drivers arch/tile: disable GX prefetcher during cache flush arch/tile: tolerate disabling CONFIG_BLK_DEV_INITRD ...
2011-05-25arch/tile: prefer "tilepro" as the name of the 32-bit architectureChris Metcalf1-0/+3
With this change, you can (and should) build with ARCH=tilepro for the current 32-bit chips. Building with ARCH=tile continues to work, but we've renamed the defconfig file to tilepro_defconfig for consistency. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
2011-05-25Merge branch 'misc' of ↵Linus Torvalds1-3/+6
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: export_report: use warn() to issue WARNING, so they go to stderr export_report: sort SECTION 2 output export_report: do collectcfiles work in perl itself kbuild: make versioncheck work in KBUILD_OUTDIR kbuild: make includecheck work in KBUILD_OUTDIR kbuild: make headerdep work in KBUILD_OUTDIR kbuild: add targets to PHONY kbuild: don't warn about include/linux/version.h not including itself eradicate bashisms in scripts/patch-kernel
2011-05-24Merge branch 'kbuild' of ↵Linus Torvalds1-13/+37
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o scripts/kallsyms.c: fix potential segfault scripts/gen_initramfs_list.sh: Convert to a /bin/sh script kbuild: Fix GNU make v3.80 compatibility kbuild: Fix passing -Wno-* options to gcc 4.4+ kbuild: move scripts/basic/docproc.c to scripts/docproc.c kbuild: Fix Makefile.asm-generic for um kbuild: Allow to combine multiple W= levels kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0 Fix handling of backlash character in LINUX_COMPILE_BY name kbuild: asm-generic support kbuild: implement several W= levels kbuild: Fix build with binutils <= 2.19 initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros kbuild: Use the deterministic mode of ar kbuild: Call gzip with -n kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile Kconfig: improve KALLSYMS_ALL documentation Fix up trivial conflict in Makefile
2011-05-19Merge branch 'perf-core-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (107 commits) perf stat: Add more cache-miss percentage printouts perf stat: Add -d -d and -d -d -d options to show more CPU events ftrace/kbuild: Add recordmcount files to force full build ftrace: Add self-tests for multiple function trace users ftrace: Modify ftrace_set_filter/notrace to take ops ftrace: Allow dynamically allocated function tracers ftrace: Implement separate user function filtering ftrace: Free hash with call_rcu_sched() ftrace: Have global_ops store the functions that are to be traced ftrace: Add ops parameter to ftrace_startup/shutdown functions ftrace: Add enabled_functions file ftrace: Use counters to enable functions to trace ftrace: Separate hash allocation and assignment ftrace: Create a global_ops to hold the filter and notrace hashes ftrace: Use hash instead for FTRACE_FL_FILTER ftrace: Replace FTRACE_FL_NOTRACE flag with a hash of ignored functions perf bench, x86: Add alternatives-asm.h wrapper x86, 64-bit: Fix copy_[to/from]_user() checks for the userspace address limit x86, mem: memset_64.S: Optimize memset by enhanced REP MOVSB/STOSB x86, mem: memmove_64.S: Optimize memmove by enhanced REP MOVSB/STOSB ...
2011-05-18Linux 2.6.39v2.6.39Linus Torvalds1-1/+1
2011-05-16kbuild/recordmcount: Add RECORDMCOUNT_WARN to warn about mcount callersSteven Rostedt1-0/+1
When mcount is called in a section that ftrace will not modify it into a nop, we want to warn about this. But not warn about this always. Now if the user builds the kernel with the option RECORDMCOUNT_WARN=1 then the build will warn about mcount callers that are ignored and will just waste execution time. Acked-by: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Link: http://lkml.kernel.org/r/20110421023738.714956282@goodmis.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-12arch/tile: finish enabling support for TILE-Gx 64-bit chipChris Metcalf1-0/+5
This support was partially present in the existing code (look for "__tilegx__" ifdefs) but with this change you can build a working kernel using the TILE-Gx toolchain and ARCH=tilegx. Most of these files are new, generally adding a foo_64.c file where previously there was just a foo_32.c file. The ARCH=tilegx directive redirects to arch/tile, not arch/tilegx, using the existing SRCARCH mechanism in the top-level Makefile. Changes to existing files: - <asm/bitops.h> and <asm/bitops_32.h> changed to factor the include of <asm-generic/bitops/non-atomic.h> in the common header. - <asm/compat.h> and arch/tile/kernel/compat.c changed to remove the "const" markers I had put on compat_sys_execve() when trying to match some recent similar changes to the non-compat execve. It turns out the compat version wasn't "upgraded" to use const. - <asm/opcode-tile_64.h> and <asm/opcode_constants_64.h> were previously included accidentally, with the 32-bit contents. Now they have the proper 64-bit contents. Finally, I had to hack the existing hacky drivers/input/input-compat.h to add yet another "#ifdef" for INPUT_COMPAT_TEST (same as x86_64). Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> [drivers/input]
2011-05-12kbuild: make versioncheck work in KBUILD_OUTDIRPeter Foley1-1/+1
This patch fixes the versioncheck target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-12kbuild: make includecheck work in KBUILD_OUTDIRPeter Foley1-1/+1
This patch fixes the includecheck target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-12kbuild: make headerdep work in KBUILD_OUTDIRPeter Foley1-1/+2
This patch fixes the headerdep target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-12kbuild: add targets to PHONYPeter Foley1-0/+2
This patch adds some targets to PHONY so they are built even if a file with the same name exists. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-11kbuild: Fix GNU make v3.80 compatibilityKevin Cernekee1-1/+1
According to Documentation/Changes, the kernel should be buildable with GNU make 3.80+. Commit 88d7be031f9f975bb3f50a0b5ef3796a671e7edf (kbuild: Use a single clean rule for kernel and external modules) introduced the "$(or" construct, which requires make 3.81. This causes "make clean" to malfunction when it is used with external modules. Replace "$(or" with an equivalent "$(if" expression, to restore backward compatibility. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: stable@kernel.org Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-09Linux 2.6.39-rc7v2.6.39-rc7Linus Torvalds1-1/+1
2011-05-03Linux 2.6.39-rc6v2.6.39-rc6Linus Torvalds1-1/+1
2011-05-03kbuild: Fix passing -Wno-* options to gcc 4.4+Michal Marek1-2/+2
Starting with 4.4, gcc will happily accept -Wno-<anything> in the cc-option test and complain later when compiling a file that has some other warning. This rather unexpected behavior is intentional as per http://gcc.gnu.org/PR28322, so work around it by testing for support of the opposite option (without the no-). Introduce a new Makefile function cc-disable-warning that does this and update two uses of cc-option in the toplevel Makefile. Reported-and-tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-05-02kbuild: move scripts/basic/docproc.c to scripts/docproc.cPeter Foley1-0/+1
Move docproc from scripts/basic to scripts so it is only built for *doc targets instead of every time the kernel is built.
2011-05-02kbuild: Allow to combine multiple W= levelsMichal Marek1-1/+1
Add support for make W=12, make W=123 and so on, to enable warnings from multiple W= levels. Normally, make W=<level> does not include warnings from the previous level. Signed-off-by: Michal Marek <mmarek@suse.cz> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
2011-04-29kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0Dave Jones1-0/+4
Disable the new -Wunused-but-set-variable that was added in gcc 4.6.0 It produces more false positives than useful warnings. This can still be enabled using W=1 Signed-off-by: Dave Jones <davej@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-28kbuild: asm-generic supportSam Ravnborg1-4/+12
There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-28kbuild: implement several W= levelsSam Ravnborg1-2/+6
Building a kernel with "make W=1" produces far too much noise to be useful. Divide the warning options in three groups: W=1 - warnings that may be relevant and does not occur too often W=2 - warnings that occur quite often but may still be relevant W=3 - the more obscure warnings, can most likely be ignored When building the whole kernel, those levels produce: W=1 - 4859 warnings W=2 - 1394 warnings W=3 - 86666 warnings respectively. Warnings have been counted with Geert's script at http://www.kernel.org/pub/linux/kernel/people/geert/linux-log/linux-log-summary.pl Many warnings occur from .h files so fixing one file may have a nice effect on the total number of warnings. With these changes I am actually tempted to try W=1 now and then. Previously there was just too much noise. Borislav: - make the W= levels exclusive - move very noisy and making little sense for the kernel warnings to W=3 - drop -Woverlength-strings due to useless warning message - copy explanatory text for the different warning levels to 'make help' - recount warnings per level Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Borislav Petkov <bp@alien8.de> Cc: Dave Jones <davej@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-26Linux 2.6.39-rc5v2.6.39-rc5Linus Torvalds1-1/+1
2011-04-20kbuild: Fix build with binutils <= 2.19Michal Marek1-0/+4
The D option of ar is only available in newer versions. Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-18Linux 2.6.39-rc4v2.6.39-rc4Linus Torvalds1-1/+1
2011-04-15kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to MakefileArtem Bityutskiy1-5/+8
At the moment we have the CONFIG_KALLSYMS_EXTRA_PASS Kconfig switch, which users can enable or disable while configuring the kernel. This option is then used by 'make' to determine whether an extra kallsyms pass is needed or not. However, this approach is not nice and confusing, and this patch moves CONFIG_KALLSYMS_EXTRA_PASS from Kconfig to Makefile instead. The rationale is below. 1. CONFIG_KALLSYMS_EXTRA_PASS is really about the build time, not run-time. There is no real need for it to be in Kconfig. It is just an additional work-around which should be used only in rare cases, when someone breaks kallsyms, so Kbuild/Makefile is much better place for this option. 2. Grepping CONFIG_KALLSYMS_EXTRA_PASS shows that many defconfigs have it enabled, probably not because they try to work-around a kallsyms bug, but just because the Kconfig help text is confusing and does not really make it clear that this option should not be used unless except when kallsyms is broken. 3. And since many people have CONFIG_KALLSYMS_EXTRA_PASS enabled in their Kconfig, we do might fail to notice kallsyms bugs in time. E.g., many testers use "make allyesconfig" to test builds, which will enable CONFIG_KALLSYMS_EXTRA_PASS and kallsyms breakage will not be noticed. To address that, this patch: 1. Kills CONFIG_KALLSYMS_EXTRA_PASS 2. Changes Makefile so that people can use "make KALLSYMS_EXTRA_PASS=1" to enable the extra pass if needed. Additionally, they may define KALLSYMS_EXTRA_PASS as an environment variable. 3. By default KALLSYMS_EXTRA_PASS is disabled and if kallsyms has issues, "make" should print a warning and suggest using KALLSYMS_EXTRA_PASS Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> [mmarek: Removed make help text, is not necessary] Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-11Linux 2.6.39-rc3v2.6.39-rc3Linus Torvalds1-1/+1
2011-04-05Linux 2.6.39-rc2v2.6.39-rc2Linus Torvalds1-1/+1
2011-03-29Linux 2.6.39-rc1v2.6.39-rc1Linus Torvalds1-2/+2
2011-03-21Merge branch 'kbuild' of ↵Linus Torvalds1-1/+6
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kbuild: Make DEBUG_SECTION_MISMATCH selectable, but not on by default genksyms: Regenerate lexer and parser genksyms: Track changes to enum constants genksyms: simplify usage of find_symbol() genksyms: Add helpers for building string lists genksyms: Simplify printing of symbol types genksyms: Simplify lexer genksyms: Do not paste the bison header file to lex.c modpost: fix trailing comma KBuild: silence "'scripts/unifdef' is up to date." kbuild: Add extra gcc checks kbuild: reenable section mismatch analysis unifdef: update to upstream version 2.5
2011-03-20Merge branch 'misc' of ↵Linus Torvalds1-3/+4
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: scripts/extract-ikconfig: add xz compression support kbuild: add GNU GLOBAL tags generation setlocalversion: update mercurial tag parsing
2011-03-18Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (47 commits) doc: CONFIG_UNEVICTABLE_LRU doesn't exist anymore Update cpuset info & webiste for cgroups dcdbas: force SMI to happen when expected arch/arm/Kconfig: remove one to many l's in the word. asm-generic/user.h: Fix spelling in comment drm: fix printk typo 'sracth' Remove one to many n's in a word Documentation/filesystems/romfs.txt: fixing link to genromfs drivers:scsi Change printk typo initate -> initiate serial, pch uart: Remove duplicate inclusion of linux/pci.h header fs/eventpoll.c: fix spelling mm: Fix out-of-date comments which refers non-existent functions drm: Fix printk typo 'failled' coh901318.c: Change initate to initiate. mbox-db5500.c Change initate to initiate. edac: correct i82975x error-info reported edac: correct i82975x mci initialisation edac: correct commented info fs: update comments to point correct document target: remove duplicate include of target/target_core_device.h from drivers/target/target_core_hba.c ... Trivial conflict in fs/eventpoll.c (spelling vs addition)
2011-03-17KBuild: silence "'scripts/unifdef' is up to date."Mike Waychison1-1/+1
While changing our build system over to use the headers_install target as part of our klibc build, the following message started showing up in our logs: make[2]: `scripts/unifdef' is up to date. It turns out that the build blindly invokes a recursive make on this target, which causes make to emit this message when the target is already up to date. This isn't seen for most targets as the rest of the build relies primarily on the default target and on PHONY targets when invoking make recursively. Silence the above message when building unifdef as part of headers_install by hiding it behind a new PHONY target called "build_unifdef" that has an empty recipe. Signed-off-by: Mike Waychison <mikew@google.com> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-03-14Linux 2.6.38v2.6.38Linus Torvalds1-1/+1
2011-03-09kbuild: Add extra gcc checksBorislav Petkov1-0/+5
Add a 'W=1' Makefile switch which adds additional checking per build object. The idea behind this option is targeted at developers who, in the process of writing their code, want to do the occasional make W=1 [target.o] and let gcc do more extensive code checking for them. Then, they could eyeball the output for valid gcc warnings about various bugs/discrepancies which are not reported during the normal build process. For more background information and a use case, read through this thread: http://marc.info/?l=kernel-janitors&m=129802065918147&w=2 Cc: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-03-07Linux 2.6.38-rc8v2.6.38-rc8Linus Torvalds1-1/+1
2011-03-01Linux 2.6.38-rc7v2.6.38-rc7Linus Torvalds1-1/+1
2011-02-21Linux 2.6.38-rc6v2.6.38-rc6Linus Torvalds1-1/+1
2011-02-17kbuild, mtd, net: a few comment typo fixes and rewordingGilles Espinasse1-1/+1
Signed-off-by: Gilles Espinasse <g.esp@free.fr> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-02-15Linux 2.6.38-rc5v2.6.38-rc5Linus Torvalds1-1/+1
2011-02-07Linux 2.6.38-rc4v2.6.38-rc4Linus Torvalds1-1/+1
2011-02-01Linux 2.6.38-rc3v2.6.38-rc3Linus Torvalds1-1/+1
2011-01-21Linux 2.6.38-rc2v2.6.38-rc2Linus Torvalds1-1/+1
2011-01-18Linux 2.6.38-rc1v2.6.38-rc1Linus Torvalds1-2/+2
2011-01-15kbuild: add GNU GLOBAL tags generationJianbin Kang1-3/+4
GNU GLOBAL (http://www.gnu.org/software/global/) is a source code tagging system It is really cheap to support it in kbuild system. Signed-off-by: Jianbin Kang <kjbmail@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-01-10Merge branch 'kbuild' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: mkuboot.sh: Fail if mkimage is missing gen_init_cpio: checkpatch fixes gen_init_cpio: Avoid race between call to stat() and call to open() modpost: Fix address calculation in reloc_location() Make fixdep error handling more explicit checksyscalls: Fix stand-alone usage modpost: Put .zdebug* section on white list kbuild: fix interaction of CONFIG_IKCONFIG and KCONFIG_CONFIG kbuild: export linux/{a.out,kvm,kvm_para}.h on headers_install_all kbuild: introduce HDR_ARCH_LIST for headers_install_all headers_install: check exit status of unifdef gen_init_cpio: remove leading `/' from file names scripts/genksyms: fix header usage fixdep: use hash table instead of a single array
2011-01-04Linux 2.6.37v2.6.37Linus Torvalds1-1/+1
2010-12-28Linux 2.6.37-rc8v2.6.37-rc8Linus Torvalds1-1/+1
2010-12-21Linux 2.6.37-rc7v2.6.37-rc7Linus Torvalds1-1/+1
2010-12-15Linux 2.6.37-rc6v2.6.37-rc6Linus Torvalds1-1/+1
2010-12-14kbuild: fix interaction of CONFIG_IKCONFIG and KCONFIG_CONFIGBen Gardiner1-0/+1
If you try to build a kernel with KCONFIG_CONFIG set (to a value not equal to .config) and that config sets CONFIG_IKCONFIG then the build will fail with: make[1]: *** No rule to make target `.config', needed by \ `kernel/config_data.gz'. Stop. because the kernel/Makefile contains a direct reference to .config. This issue has been present since the introduction of KCONFIG_CONFIG in 14cdd3c402bf7c66f0bcd76e290f0770a54a4b21. Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> CC: Roman Zippel <zippel@linux-m68k.org> CC: Michal Marek <mmarek@suse.cz> Reviewed-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Michal Marek <mmarek@suse.cz>
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